Re: [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan hispeed mode


Samer El-Haj-Mahmoud
 

+ Ard’s new e-mail address

-----Original Message-----
From: Pete Batard <pete@akeo.ie>
Sent: Thursday, April 8, 2021 5:48 AM
To: Jeremy Linton <Jeremy.Linton@arm.com>; devel@edk2.groups.io
Cc: Ard Biesheuvel <Ard.Biesheuvel@arm.com>; leif@nuviainc.com; Samer
El-Haj-Mahmoud <Samer.El-Haj-Mahmoud@arm.com>; Andrei Warkentin
(awarkentin@vmware.com) <awarkentin@vmware.com>
Subject: Re: [PATCH 1/3] Platform/RaspberryPi/Acpitables: Enable Arasan
hispeed mode

On 2021.04.08 06:58, Jeremy Linton wrote:
The arasan caps registers are no longer being overridden by the brcm
iproc driver, so we should be assuring that the "High Speed Support"
bit 21 is set in the capability register. This significantly improves
the wifi perf using linux.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
---
Platform/RaspberryPi/AcpiTables/Sdhc.asl | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Platform/RaspberryPi/AcpiTables/Sdhc.asl
b/Platform/RaspberryPi/AcpiTables/Sdhc.asl
index 0430ab7d2d..42776e33bb 100644
--- a/Platform/RaspberryPi/AcpiTables/Sdhc.asl
+++ b/Platform/RaspberryPi/AcpiTables/Sdhc.asl
@@ -52,7 +52,7 @@ Device (SDC1)
Name (_DSD, Package () {

ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),

Package () {

- Package () { "sdhci-caps", 0x0100fa81 },

+ Package () { "sdhci-caps", 0x0120fa81 },

}

})


Reviewed-by: Pete Batard <pete@akeo.ie>
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